--- /dev/null
+/*
+* © 2007-2008 Benoît Pin – Centre de recherche en informatique – École des mines de Paris
+* http://plinn.org
+* Licence Creative Commons http://creativecommons.org/licenses/by-nc/2.0/
+*
+*
+*/
+
+var Mosaique;
+
+(function(){
+
+var hiddenTilesNumber = 1;
+var batchSize = 5;
+var reNb = /\-?\d+/ ;
+
+Mosaique = function(screenArea, imgUrlBase, margins) {
+ this.screenArea = screenArea;
+ if (!margins)
+ margins = {'top':0, 'right':0, 'bottom':0, 'left':0};
+ this.margins = margins;
+ this.prepareScreen();
+ this.setContainerPosition(new Point(0,0));
+
+ this.imgUrlBase = imgUrlBase;
+ this.xmlPath = imgUrlBase + "/tiling_infos.xml";
+
+ this.tiles = null;
+ this.xTileRange = [0,0];
+ this.yTileRange = [0,0];
+
+ this._loadingQueue = new Array();
+ this._currentSequence = null;
+ this._loadingIterator = 0;
+ this.loadingState = 0;
+
+ this.dragInProgress = false;
+ this.initialClickPoint = null;
+ this.initialPosition = null;
+ var thisMos = this;
+ this._ddHandlers = {'down' : function(evt){thisMos._mouseDownHandler(evt);},
+ 'move' : function(evt){thisMos._mouseMoveHandler(evt);},
+ 'up' : function(evt){thisMos._mouseUpHandler(evt);}};
+ this.ddHandlers = null;
+
+ this.rcsItoC = new Point(0, 0); // vector to translate coordinate systems
+
+ this.remainD = new Point(0, 0);
+ this.getXmlInfo();
+}
+
+Mosaique.prototype.getXmlInfo = function() {
+ var req = new XMLHttpRequest();
+ var thisMosaique = this;
+ req.onreadystatechange = function() {
+ if(req.readyState == 4)
+ thisMosaique._loadXmlInfo(req);
+ };
+ req.open("GET",thisMosaique.xmlPath,true);
+ req.setRequestHeader("Content-Type", "text/xml; charset=utf-8");
+ req.send(null);
+};
+
+Mosaique.prototype._loadXmlInfo = function(req) {
+ var doc = req.responseXML.documentElement;
+ this.thumbnailWidth = parseInt(doc.getElementsByTagName('thumbnailwidth')[0].firstChild.data);
+ this.thumbnailHeight = parseInt(doc.getElementsByTagName('thumbnailheight')[0].firstChild.data);
+ this.tileSize = parseInt(doc.getElementsByTagName('tilesize')[0].firstChild.data);
+
+ var zoomList = doc.getElementsByTagName("zoom");
+ this.zoomTable = new Array(zoomList.length);
+ var zoom;
+ for (var i=0 ; i<zoomList.length ; i++) {
+ zoom = zoomList[i];
+ var zoomInfo = new Object();
+ zoomInfo['level'] = parseInt(zoom.getAttribute('zoomlevel'));
+ zoomInfo['width'] = parseInt(zoom.getElementsByTagName('width')[0].firstChild.data);
+ zoomInfo['height'] = parseInt(zoom.getElementsByTagName('height')[0].firstChild.data);
+ zoomInfo['tilesX'] = parseInt(zoom.getElementsByTagName('tilesx')[0].firstChild.data);
+ zoomInfo['tilesY'] = parseInt(zoom.getElementsByTagName('tilesy')[0].firstChild.data);
+ this.zoomTable[i] = zoomInfo;
+ }
+
+ this.setCurrentDimensionValues(this.getBestFitZoom());
+ this.navigateur = new Navigateur(this);
+
+ this.prepareContainer();
+ this.setLoadingOrder();
+ var ulc = new Point(this.imageWidth/2 - this.screenWidth/2, 0);
+ if (this.screenHeight >= this.imageHeight)
+ ulc.y = this.imageHeight/2 - this.screenHeight/2;
+ this.loadScreen(ulc);
+ this.addEventListeners();
+};
+
+Mosaique.prototype.addEventListeners = function() {
+ var thisMos = this;
+ addListener(document, 'mousedown', function(evt){thisMos.mouseDownHandler(evt);}, 'mosaique.dd');
+ addListener(document, 'mouseup', function(evt){thisMos.mouseUpHandler(evt);}, 'mosaique.dd');
+};
+
+Mosaique.prototype.getBestFitZoom = function() {
+ var i;
+ for (i = 1 ; i < this.zoomTable.length ; i++)
+ if (this.screenWidth - this.zoomTable[i]['width'] < 0 ||
+ this.screenHeight - this.zoomTable[i]['height'] < 0)
+ break;
+ return i-1;
+};
+
+Mosaique.prototype.setCurrentDimensionValues = function(zoomIndex) {
+ var zoomInfo = this.zoomTable[zoomIndex];
+ this.zoomIndex = zoomIndex;
+ this.zoomLevel = zoomInfo['level'];
+ this.imageWidth = zoomInfo['width'];
+ this.imageHeight = zoomInfo['height'];
+ this.xtiles = zoomInfo['tilesX'];
+ this.ytiles = zoomInfo['tilesY'];
+ this.halfTileSize = this.tileSize / 2;
+ this.gridWidth = this.xtiles*this.tileSize;
+ this.gridHeight = this.ytiles*this.tileSize;
+
+ var WnbTiles = Math.ceil(this.screenWidth/this.tileSize) + 2 * hiddenTilesNumber;
+ var HnbTiles = Math.ceil(this.screenHeight/this.tileSize) + 2 * hiddenTilesNumber;
+ this.WnbTiles = (WnbTiles > this.xtiles) ? this.xtiles : WnbTiles;
+ this.HnbTiles = (HnbTiles > this.ytiles) ? this.ytiles : HnbTiles;
+
+};
+
+Mosaique.prototype.prepareScreen = function() {
+ this.screenWidth = getObjectWidth(this.screenArea);
+ this.screenHeight = getObjectHeight(this.screenArea);
+ var mask = this.rootElement = document.createElement('div');
+ with (mask.style) {
+ position = 'absolute';
+ width = this.screenWidth - this.margins['right'] + 'px';
+ height = this.screenHeight - this.margins['bottom'] + 'px';
+ background = base_properties["contentBackgroundColor"];
+ overflow = 'hidden';
+ }
+ this.screenArea.insertBefore(mask, this.screenArea.firstChild);
+
+ var container = document.createElement('div');
+ with (container.style) {
+ position = 'absolute';
+ top = '0px';
+ left = '0px';
+ cursor = 'move';
+ }
+
+ mask.appendChild(container);
+ this.container = container;
+};
+
+Mosaique.prototype.prepareContainer = function() {
+ var __getImg;
+ if (browser.isGecko) {
+ __getImg = function(evt, o) {
+ return o;
+ }
+ }
+ else {
+ __getImg = function(evt) {
+ return getTargetedObject(evt);
+ }
+ }
+ var thisMos = this;
+ var loadNext;
+ if (browser.isIE) {
+ loadNext = function(evt) {
+ var tile = __getImg(evt, this);
+ tile.style.visibility = 'visible';
+ setTimeout(function(){thisMos._loadNextTile();}, 1);
+ }
+ }
+ else {
+ loadNext = function(evt) {
+ var tile = __getImg(evt, this);
+ tile.style.visibility = 'visible';
+ thisMos._loadNextTile();
+ }
+ }
+
+ this.setContainerPosition(new Point(0,0));
+ this.xTileRange = [0,0];
+ this.yTileRange = [0,0];
+
+ var size = parseInt(this.tileSize);
+ this.tiles = new Array(this.WnbTiles);
+ for (var x = 0 ; x < this.WnbTiles ; x++) {
+ this.tiles[x] = new Array(this.HnbTiles);
+ for (var y = 0 ; y < this.HnbTiles ; y++) {
+ var img = document.createElement("img");
+ with(img) {
+ width = size;
+ height = size;
+ }
+ addListener(img, 'load', loadNext, 'mosaique.tiles');
+ img.style.position='absolute';
+ img.style.left = x * size + 'px';
+ img.style.top = y * size + 'px';
+ this.container.appendChild(img);
+ this.tiles[x][y] = img;
+ }
+ }
+ with(this.container.style) {
+ width = size * this.WnbTiles + 'px';
+ height = size * this.HnbTiles + 'px';
+ }
+};
+
+
+Mosaique.prototype.setContainerPosition = function(point) {
+ with(this.container.style) {
+ left = point.x + 'px';
+ top = point.y + 'px';
+ }
+};
+
+Mosaique.prototype.getContainerPosition = function() {
+ var x = parseInt(this.container.style.left);
+ var y = parseInt(this.container.style.top);
+ var p = new Point(x, y);
+ return p;
+};
+
+Mosaique.prototype.setImagePosition = function(point) {
+ this.setContainerPosition(this.rcsItoC.diff(point));
+};
+
+Mosaique.prototype.getImagePosition = function() {
+ var cp = this.getContainerPosition();
+ return this.rcsItoC.diff(cp);
+};
+
+Mosaique.prototype.getImageCenterPosition = function() {
+ var ip = this.getImagePosition();
+ return ip.add(new Point(this.screenWidth/2, this.screenHeight/2));
+}
+
+
+
+Mosaique.prototype.loadScreen = function(position) {
+
+ var tSize = this.tileSize;
+ var ulTileCoord = new Point(Math.floor(position.x/tSize), Math.floor(position.y/tSize));
+ var modulo = new Point(position.x % tSize, position.y % tSize);
+
+ var adjX, adjY;
+ if (modulo.x > this.halfTileSize) {
+ adjX = function(n){return n - hiddenTilesNumber + 1;};
+ this.remainD.x = - (modulo.x - tSize);
+ }
+ else {
+ adjX = function(n){return n - hiddenTilesNumber;};
+ this.remainD.x = - modulo.x;
+ }
+ if (modulo.y > this.halfTileSize) {
+ this.remainD.y = - (modulo.y - tSize);
+ adjY = function(n){return n - hiddenTilesNumber + 1;};
+ }
+ else {
+ adjY = function(n){return n - hiddenTilesNumber;};
+ this.remainD.y = - modulo.y;
+ }
+
+ var xTileRange, yTileRange;
+ xTileRange = [ulTileCoord.x, ulTileCoord.x + this.WnbTiles].map(adjX);
+ yTileRange = [ulTileCoord.y, ulTileCoord.y + this.HnbTiles].map(adjY);
+
+ //console.assert(xTileRange[1] - xTileRange[0] == this.WnbTiles, xTileRange, this.WnbTiles);
+ //console.assert(yTileRange[1] - yTileRange[0] == this.HnbTiles, yTileRange, this.HnbTiles);
+
+ if (xTileRange[0] < 0) {
+ this.remainD.x = Math.abs(xTileRange[0] + ((position.x < 0) ? 1 : 0)) * tSize - modulo.x;
+ xTileRange = [0, this.WnbTiles];
+ }
+ else if (xTileRange[1] > this.xtiles) {
+ this.remainD.x = - (xTileRange[1] - this.xtiles - ((modulo.x > this.halfTileSize) ? 1 : 0)) * tSize - modulo.x;
+ xTileRange = [this.xtiles - this.WnbTiles, this.xtiles];
+ }
+
+ if (yTileRange[0] < 0) {
+ this.remainD.y = Math.abs(yTileRange[0] + ((position.y < 0) ? 1 : 0)) * tSize - modulo.y;
+ yTileRange = [0, this.HnbTiles];
+ }
+ else if (yTileRange[1] > this.ytiles) {
+ this.remainD.y = - (yTileRange[1] - this.ytiles - ((modulo.y > this.halfTileSize) ? 1 : 0)) * tSize - modulo.y;
+ yTileRange = [this.ytiles - this.HnbTiles, this.ytiles];
+ }
+
+ //console.assert(xTileRange[0] >= 0 && xTileRange[1] <= this.xtiles);
+ //console.assert(yTileRange[0] >= 0 && yTileRange[1] <= this.ytiles);
+
+ var dTx = this.xTileRange[0] - xTileRange[0];
+ var dTy = this.yTileRange[0] - yTileRange[0];
+ this.rcsItoC = this.rcsItoC.diff(new Point(dTx * tSize, dTy * tSize));
+
+ this.setImagePosition(position);
+
+ this.xTileRange = xTileRange;
+ this.yTileRange = yTileRange;
+
+ var xOffset = this.xTileRange[0];
+ var yOffset = this.yTileRange[0];
+
+ var baseUrl = this.imgUrlBase + '/getTile?zoom=' + this.zoomLevel / 100.0;
+
+ var tilesSrc = new Array(this.WnbTiles);
+ for (var x = 0 ; x < this.WnbTiles ; x++) {
+ tilesSrc[x] = new Array(this.HnbTiles);
+ for (var y = 0 ; y < this.HnbTiles ; y++) {
+ tilesSrc[x][y] = baseUrl + '&x=' + (x + xOffset) + '&y=' + (y + yOffset);
+ }
+ }
+ this.queueLoadingSequence({'type':'full',
+ 'src' : tilesSrc,
+ 'order' : this.loadingOrder,
+ 'length' : this.loadingOrder.length});
+};
+
+Mosaique.prototype.loadColumns = function(n){
+ /*
+ n > 0 <=> x displacement > 0 => shift columns from right to left
+ Returns the number of columns that have been loaded.
+ */
+
+
+ var newRange;
+
+ while (n != 0) {
+ newRange = [this.xTileRange[0] - n, this.xTileRange[1] - n]
+ if (newRange[0]<0 || newRange[1] > this.xtiles) {
+ (n>0) ? n-- : n++;
+ continue;
+ }
+ else {
+ this.xTileRange = newRange;
+ break;
+ }
+ return 0;
+ }
+
+
+ var shift, from, to, increment;
+ if (n>0) {
+ shift = - (this.WnbTiles) * this.tileSize;
+ from = 0;
+ to = n;
+ increment = 1;
+ }
+ else {
+ shift = (this.WnbTiles) * this.tileSize;
+ from = this.WnbTiles - 1;
+ to = this.WnbTiles + n -1;
+ increment = -1;
+ }
+
+ var thisMos = this;
+ var beforeSequence = function(){thisMos._shiftColumns(n, shift, from, to, increment)};
+
+ var order = new Array();
+ var tilesSrc = new Array();
+ var baseUrl = this.imgUrlBase + '/getTile?zoom=' + this.zoomLevel / 100.0;
+ var xOffset = this.xTileRange[0];
+ var yOffset = this.yTileRange[0];
+
+ for (var x = from ; x != to ; x += increment) {
+ tilesSrc[x] = new Array();
+ for (var y = 0 ; y < this.HnbTiles ; y++) {
+ order.push([x, y]);
+ tilesSrc[x][y] = baseUrl + '&x=' + (x + xOffset) + '&y=' + (y + yOffset);
+ }
+ }
+ order = order.reverse();
+ this.queueLoadingSequence({'type':'column',
+ 'src' : tilesSrc,
+ 'order' : order,
+ 'length' : order.length,
+ 'beforeSequence' : beforeSequence});
+ return n;
+};
+
+Mosaique.prototype._shiftColumns = function(n, shift, from, to, increment){
+ /* rows rotations */
+ this.tiles = rotateArray(this.tiles, -n);
+ var tile, left;
+ /* positional shifting */
+ for (var x = from ; x != to ; x += increment) {
+ left = parseInt(this.tiles[x][0].style.left);
+ for (var y = 0 ; y < this.HnbTiles ; y++) {
+ var tile = this.tiles[x][y];
+ tile.style.left = left + shift + 'px';
+ tile.style.visibility = 'hidden';
+ }
+ }
+
+};
+
+
+
+Mosaique.prototype.loadRows = function(n) {
+ /*
+ n > 0 <=> y displacement > 0 => shift rows from bottom to top
+ Returns the number of rows that's have been loaded.
+ */
+
+ var newRange;
+
+ while (n != 0) {
+ newRange = [this.yTileRange[0] - n, this.yTileRange[1] - n]
+ if (newRange[0]<0 || newRange[1] > this.ytiles) {
+ (n>0) ? n-- : n++;
+ continue;
+ }
+ else {
+ this.yTileRange = newRange;
+ break;
+ }
+ return 0;
+ }
+
+ var shift, from, to, increment;
+ if (n>0) {
+ shift = - (this.HnbTiles) * this.tileSize;
+ from = 0;
+ to = n;
+ increment = 1;
+ }
+ else {
+ shift = (this.HnbTiles) * this.tileSize;
+ from = this.HnbTiles - 1;
+ to = this.HnbTiles + n -1;
+ increment = -1;
+ }
+
+ var thisMos = this;
+ var beforeSequence = function(){thisMos._shiftRows(n, shift, from, to, increment)};
+
+ var order = new Array();
+ var tilesSrc = new Array();
+ var baseUrl = this.imgUrlBase + '/getTile?zoom=' + this.zoomLevel / 100.0;
+ var xOffset = this.xTileRange[0];
+ var yOffset = this.yTileRange[0];
+
+ for (var y = from ; y != to ; y += increment) {
+ for (var x = 0 ; x < this.WnbTiles ; x++) {
+ order.push([x, y]);
+ if (!tilesSrc[x])
+ tilesSrc[x] = new Array();
+ tilesSrc[x][y] = baseUrl + '&x=' + (x + xOffset) + '&y=' + (y + yOffset);
+ }
+ }
+ order = order.reverse();
+ this.queueLoadingSequence({'type':'row',
+ 'src' : tilesSrc,
+ 'order' : order,
+ 'length' : order.length,
+ 'beforeSequence' : beforeSequence});
+ return n;
+};
+
+Mosaique.prototype._shiftRows = function(n, shift, from, to, increment) {
+ /* columns rotations */
+ for (var x = 0 ; x < this.WnbTiles ; x++)
+ this.tiles[x] = rotateArray(this.tiles[x], -n);
+
+ var tile, top;
+
+ /* positional shifting */
+ for (var y = from ; y != to ; y += increment) {
+ top = parseInt(this.tiles[0][y].style.top);
+ for (var x = 0 ; x < this.WnbTiles ; x++) {
+ var tile = this.tiles[x][y];
+ tile.style.top = top + shift + 'px';
+ tile.style.visibility = 'hidden';
+ }
+ }
+};
+
+
+Mosaique.prototype.queueLoadingSequence = function(sequenceInfo) {
+ if(!sequenceInfo.length) return;
+ this._loadingQueue.push(sequenceInfo);
+ if (!this.loadingState && this._loadingQueue.length)
+ this._loadNextSequence();
+};
+
+Mosaique.prototype._loadNextSequence = function() {
+ var seq = this._loadingQueue.shift();
+ if (seq == null) {
+ this._loadingQueue = new Array();
+ this.loadingState = 0;
+ return;
+ }
+ switch(seq['type']) {
+ case 'full' :
+ this.loadingState = 1;
+ break;
+ case 'row' :
+ case 'column' :
+ this.loadingState = 2;
+ seq['beforeSequence']();
+ break;
+ }
+ this._loadingIterator = 0;
+ //this._loadNextTile();
+ this._startSequence(seq);
+};
+
+Mosaique.prototype._startSequence = function(seq) {
+ this._currentSequence = seq;
+
+ var size = Math.min(batchSize, this._currentSequence.length);
+ this._loadingIterator += size;
+
+ var coord, src, tile;
+ for (var i=0 ; i<size ; i++) {
+ coord = this._currentSequence.order[i];
+ src = this._currentSequence.src[coord[0]][coord[1]];
+ tile = this.tiles[coord[0]][coord[1]];
+ tile.src = src;
+ }
+};
+
+Mosaique.prototype._loadNextTile = function() {
+ if (this.loadingState == 0)
+ return;
+ else if (this._loadingIterator >= this._currentSequence['length']) {
+ this._loadNextSequence();
+ return;
+ }
+
+ var coord = this._currentSequence.order[this._loadingIterator];
+ this._loadingIterator++;
+
+ var src = this._currentSequence.src[coord[0]][coord[1]];
+ var tile = this.tiles[coord[0]][coord[1]];
+ tile.src = src;
+};
+
+
+/* drag and drop generic handlers */
+Mosaique.prototype.mouseDownHandler = function(evt) {
+ var target = getTargetedObject(evt);
+ if (target.tagName == 'INPUT' || target.tagName == 'TEXTAREA')
+ return;
+ disableDefault(evt);
+ evt = getEventObject(evt);
+ var navDisp = this.navigateur.display;
+
+ if (target.parentNode.parentNode == navDisp) {
+ if (target == this.navigateur.frame.firstChild)
+ this.ddHandlers = this.navigateur._ddHandlers;
+ else {
+ this.ddHandlers = null;
+ return;
+ }
+ }
+ else
+ this.ddHandlers = this._ddHandlers;
+
+ addListener(document, 'mousemove', this.ddHandlers['move'], 'mosaique.dd');
+
+ this.ddHandlers['down'](evt);
+};
+
+Mosaique.prototype.mouseUpHandler = function(evt) {
+ if (this.ddHandlers != null) {
+ removeListener(document, 'mousemove', this.ddHandlers['move']);
+ this.ddHandlers['up'](evt);
+ this.ddHandlers = null;
+ }
+}
+
+
+/* Mosaique drag and drop handlers */
+Mosaique.prototype._mouseDownHandler = function(evt) {
+ this.initialClickPoint = new Point(evt.clientX, evt.clientY);
+ this.initialPosition = this.getContainerPosition();
+ this.rShift = 0;
+ this.cShift = 0;
+ this.dragInProgress = true;
+}
+
+Mosaique.prototype._mouseMoveHandler = function(evt) {
+ disableDefault(evt);
+ if(!this.dragInProgress)
+ return;
+
+ evt = getEventObject(evt);
+ var currentPoint = new Point(evt.clientX, evt.clientY);
+ var displacement = currentPoint.diff(this.initialClickPoint);
+ this.setContainerPosition(this.initialPosition.add(displacement));
+
+ var r = (displacement.y + this.halfTileSize + this.remainD.y) / this.tileSize;
+ r = Math.floor(r);
+
+ if (this.rShift - r != 0)
+ this.rShift += this.loadRows(r - this.rShift);
+
+ var c = (displacement.x + this.halfTileSize + this.remainD.x) / this.tileSize;
+ c = Math.floor(c);
+
+ if (this.cShift - c != 0)
+ this.cShift += this.loadColumns(c - this.cShift);
+};
+
+Mosaique.prototype._mouseUpHandler = function(evt) {
+ this.dragInProgress = false;
+ evt = getEventObject(evt);
+ this._mouseMoveHandler(evt);
+ var finalPoint = new Point(evt.clientX, evt.clientY);
+ var displacement = finalPoint.diff(this.initialClickPoint);
+ this.remainD = this.remainD.add(new Point(displacement.x - this.cShift * this.tileSize, displacement.y - this.rShift * this.tileSize));
+ this.navigateur.alignFrame();
+};
+
+
+
+Mosaique.prototype.setLoadingOrder = function() {
+ var startX = 0;
+ var stopX = this.WnbTiles;
+ var startY = 0;
+ var stopY = this.HnbTiles;
+ var x = 0, y = 0;
+ var order = new Array();
+
+ var direction=0;
+
+
+ while((startX != stopX) && (startY != stopY)) {
+ switch(direction) {
+ case 0 : // left -> right
+ startY++;
+
+ for (x = startX ; x < stopX ; x++)
+ order.push([x, y]);
+ x--;
+ break;
+
+ case 1 : // up -> bottom
+ stopX--;
+ for (y = startY ; y < stopY ; y++)
+ order.push([x, y]);
+ y--;
+ break;
+
+ case 2 : // right -> left
+ stopY--;
+
+ for (x = stopX-1 ; x >= startX ; x--)
+ order.push([x, y])
+ x++;
+ break;
+
+ case 3 : // bottom -> up
+ startX++;
+
+ for (y = stopY-1 ; y >= startY ; y--)
+ order.push([x,y]);
+ y++;
+ break;
+ }
+
+ direction++;
+ if (direction % 4 == 0)
+ direction = 0;
+ }
+
+
+ this.loadingOrder = order.reverse();
+}
+
+Mosaique.prototype.cleanContainer = function() {
+ removeGroupListeners('mosaique.tiles');
+ while (this.container.childNodes[0])
+ this.container.removeChild(this.container.childNodes[0]);
+}
+
+Mosaique.prototype.loadZoomLevel = function(zoomIndex) {
+ this.loadingState = 0;
+ var oldWnbTiles = this.WnbTiles;
+ var oldHnbTiles = this.HnbTiles;
+ var oldCenter = this.getImageCenterPosition();
+ var zoomInfo = this.zoomTable[zoomIndex];
+ var newLevel = zoomInfo['level'];
+
+ // center coordinates translated into target zoom level
+ var center = oldCenter.mul(newLevel / this.zoomLevel);
+ var ulc = center.diff(new Point(this.screenWidth/2, this.screenHeight/2)); // upper left corner
+
+ this.setCurrentDimensionValues(zoomIndex);
+
+ if (oldWnbTiles != this.WnbTiles || oldHnbTiles != this.HnbTiles) {
+ this.cleanContainer();
+ this.prepareContainer();
+ this.rcsItoC = new Point(0,0);
+ this.setLoadingOrder();
+ }
+ this.loadScreen(ulc);
+};
+
+Mosaique.prototype.unload = function() {
+ this.navigateur.unload();
+ removeGroupListeners('mosaique.dd');
+ removeGroupListeners('mosaique.tiles');
+ this.screenArea.removeChild(this.rootElement);
+};
+
+})();
+
+/* UTILS */
+function Point(x, y) {
+ this.x = Math.round(x);
+ this.y = Math.round(y);
+}
+Point.prototype.diff = function(point) { return new Point(this.x - point.x, this.y - point.y); };
+Point.prototype.add = function(point) { return new Point(this.x + point.x, this.y + point.y); };
+Point.prototype.mul = function(k) { return new Point(this.x * k, this.y *k)};
+Point.prototype.toString = function() { return "(" + String(this.x) + ", " + String(this.y) + ")"; };
+
+function rotateArray(t, n) {
+ return t.slice(n,t.length).concat(t.slice(0,n));
+}
+
+if (!Array.prototype.map) {
+ Array.prototype.map = function(f) {
+ var r = new Array(this.length);
+ for (var i = 0 ; i < this.length ; i++ ){
+ r[i] = f(this[i]);
+ }
+ return r;
+ };
+}
projects / Portfolio.git / blobdiff